Audible signal for railways



Dec. 25 1923.

C. G. HUTH AUDIBLE SIGNAL FOR RAILWAYS Filed Sept. 1, 1922 I5 Sheets-Sheet 1 C. G. HUTH AUDIBLE S IGNAL FOR RAILWAYS Dec. 25, 1923.

Filed Sept. 1, 1922 3 Sheets-Shea 2 C. G. HUTH AUDIBLE SIGNAL FOR RAILWAYS Dec. 25 1923.

Filed Sept. 1. 1922 5 Sheets-Sheet 5 k W l m Patented Dec. 25, 1923.

PATENT OFFICE.

can: e.v HUTH, or PORTBYRONQNEW YORK.

AUDIBLE SIGNAL iron RAILWAYS.

Application filed September 1,'ie2'2. Serial No..585,713.

I '0 all whom it may concern:

Be it known that I, CARL G. HUTH, citizen of the United States, residing at Port Byron in the county of Cayuga and State of New York, vhave invented certain new and useful Improvements, in Audible Signals for Railways, of which the following is a specification. T

My invention relates to audible railway signals and the object of the invention is to provide a signal of this. character which is automatically operated by a passing train.

Another object of the invention is to provide a clockwork for ringing a bell, this clockwork normally being arrested by a brake and the latter released by the wheels of a passing vehicle thereby starting the ringing of the bell.

Still another object of the invention is to provide means, whereby. the clockwork is automatically wound up approximately the same amount as the unwinding caused by the ringing of the bell in other words the same train that starts the bell ringing, will also windthe clockwork; when the ringing has ceased.

In the accompanying drawings one embodiment of the invention is illustrated, and

Fig. 1 represents. a topplan view of a double track railway with the signal installed;

Fig. 2 is a transverse section along line 2'2 of Fig. 1;

Fig. 3 is a side elevation of the signal housing; v V

Fig. 4 is a section along line 4'4 of Fig. 2;

Fig. 5 is. a side elevation of a portion of a rail together with an 0 crating treadle;

Fig. 6 is a fragmentary front view of the windin arrangement of the clockwork;

Fig. i is a side elevation of Fig. 6'; d

Fig. 8 is a vertical section along. line 8-.8 of Fig.7 and' Fig. 9 is a section along line of Fig. 2 showing a gear train used in connection with the clockwork, d

In the drawings reference numeral 10. represents the tracker a train running in the right hand direction'of the figure as indi cated by arrow X and reference numeral 11 represents the track of a train running the opposite direction or as indicated by arrow Y. The inner rails .of the two tracks are denoted respectively by reference nu merals 12 and 13 and the outer rails of the tracks by the numerals 14'and 15.

is bolted or in any othermanner secured a bracket 16 forming a bearing for a treadle 17, which is fulcrumed as at 18 and provided with an arcuate upper toe 19 norman standing slightly above the top of the ,rail' 14 as best seen in Fig. 5. This treadle is provided with a downwardly directed finger 20, to which is attached a tension rod 215 the otherend of which being journaled to one end of a bell crank 22, which is fulcrulned in a bearing as at 23, rigidly secured near or on the housing 24 of the bell '25. To the other arm of the bell crank 22 is attached a rod 26 running transversely to the track in front of the housing 24, the

opposite end of the rod having a head 27 mounted in a sleeve 28 secured on the platform 29 of the housing as at 30. Between the head 27 and the closed opposite end of the sleeve 28 is inserted a compression spring 31 tending to push the rod out of the sleeve towards the track. Near the sleeve 28 is rigidly secured on the rod 26 adog 32, which forms a brake for a pinwheel 33, secured on the spindle 34 in the bell housing 24. The end of the dog 32 normally engages with one of pins 35 projecting sideways from the pin wheel 33. I

The bell is rigidly securedon top of the housing 24 and on the side of the latter is mounted to oscillate 'as at 36a striker 37 for the bell. with a downwardly directed arm 38 extending across the path of the pins of the pin Wheel 33 and a tension spring 39 normally holds'the striker 37 against the bell 25. V i g A drum 40 having laterally directed ratchet teeth 42fat one endfis revolublymounted upon a shaft 43 running in bearings in the housing 24. In side ofthe drum is positioned a spiral spring 44' having one end secured to the drum as at 45 and the other end thereof to the shaft 43 as at 46. A gear train consisting ofgears 41, 47, 48, and 49 positively connects the, shaft 43 with the spindle 34, the gear teeth 41 meshing with the pinion 47 which is secured on the same spindle 50,'that carries the gear wheel 48, the latter in turn meshing with the pinion 49 secured on the spindle 34. 7

Referring particularly" to Figs; 1', 2; 6', 7

This striker is provided On the side of the outer rail 14 of track 412. In this manner the upward movement ofthe' pawl into the dotted position in Fig. 6, will advance the drum one tooth, while the returnmotion will lift the nose of the pawl out of engagement and permit it to slide over a tooth below into the next space,

when it is again ready for the next upward displacement. A spring-catch 85 also engages with the ratchet teeth 42 and is adapted to hold the drum stationary during the return movement of the pawl 51.

To thelower end of the pawl 51 is hinged as at'55 a two armed lever 56 fulcrumed as at 57, its other end being hinged as at 58 to anarm 59. This arm is rigidly secured. on

a spindle 60, which is revolubly mounted between the cheeks 61 and 62 of a pair of standards secured on the platform 29. Around the spindle 60 is wound a torsion spring 63, one end of Which is secured to the V spindle as at 64, see Figure 1, and the other those described above carrying the end to the cheek 62 as at 65. The action of this spring tends to turn the spindle 60 so as to raise the end ofthe arm 59. The end of the spindle 60 nearest the rail 14: carries another arm 66 rigidly mounted thereon and to the free end of this arm is hinged a piston 67 carried in a vertical bearing 68, which is secured between plates 69 forming a channel beneath. the tracks, housing the lower end ofrthe piston 67 engaging a bell crank 70 as at 71 and the latter beingfulcrumed as at 72 in a suitable bearing 7 3 secured in the channel. At the lower end of the bell crank 70 is connected as at 74, a tension rod 75' having its other end connected as-at 76 to one arm of another bell crank 77. This bell crank 77 is fulcrumed as at 78 in abear ing also secured in the channel and its second arm connects by means of a link 79 with a cross rod80, which is secured between the downwardly directed arms 82 of the treadles 81 and 81*. carried in suitable bearings 83 on 83 on-the innerrails 12 and 13. p

The inner rail 13 of track 11 also carriesa treadle '17 connected by means of a rod 21 to bell crank 22 and a rod 26 connected with bell crank 22. These parts being similar and operating in thesame manner as same numerals. F

The operation of the device is as follows: Supposing all the treadles are. set, that'is to say that the arcuate portions projectabove the respective rails of the tracks and that a train passes in the directionof arrow -X from left to right on track 10 in Fig. 1, the wheels will then depress this treadle 17,

which then actuatesthe parts 21, 22, 26 and v 27, pushing the dog 32 away from the pin wheel 33 into its dotted position as seen in Fig. 2, thereby disengaging the pius'35 of the wheeL' The drum 10 now being held by pawl 51 and catch 85 will permit the'spring 4 1 to unwind, therebyturning the shaft 43, which, through the intermediary of the gear tram then revolvesthe pin wheel 1n direction of arrow Z in" Fig. 3. As the pins one by one contact with the arm 38 of the striker 37, the latter will be lifted away from the ing the dog 32 into the path of the pins 35' thus stopping-the alarm. V r

4 Subsequently, when the train approaches the treadle 81, each wheel will depress that treadle and through the intermediary )of parts 79, 77, 75, 70, 67, 66, 60, 59, and 56 push the pawl 51 upward and advance the drum 40 one tooth.v As each wheelof the train depresses the treadle 81 the same operation is repeated, the drum advancing so many teeth, as the number of wheels passing over thetreadle, and as the shaft 13' this time-is held stationary by means of the pin wheel and the intermediary train of gears, the spring will be wound up approximately the same amount, as it was previouslyunwound by the ringing of the bell. Between each beat of the treadle 81, the tension spring 63 returns the parts to the position of rest. Y

When a train enters in direction of'arrow Y on the other trackrll the treadles 17 and 81 will perform the same operations as de scribed above.

Having thus described the invention, what a is claimed as new is:

1. The combination with a wheel track; 7

treadle and said dog, said treadle being 7 adapted to be depressed by a passing Vehicle wheel, thereby releasing the brake.

2. The combination with a wheel track; of Y I cluding a dog adapted to slide in and out of engagement with the pins on said wheel, a

treadle normally raised above said track,

suitable connections between said treadle and said dog, said treadle being adapted to be depressed by a passing vehicle wheel, thereby releasing the brake, and means actuated by a passing vehlcle wheel for charging the power for the pin wheel.

3. The combination with a wheel track; of a housing carrying a bell, a striker for the bell mounted in said housing, a power driven pin wheel in the housing adapted to actuate said striker, a brake for said pin wheel, a treadle normally raised above said track, suitable connections between said treadle and said brake, said treadle being adapted to be depressed by a passing vehicle wheel, thereby releasing the brake, salid brake including a dog extending across the path of the pins of said pin wheel, yieldable means tending to hold the dog in engagement with said pins, said means comprising a rod adapted toslide parallel with said "at-pins and upon which the dog is rigidly mounted and a spring tending to push the rod with the dog into such engagement.

4. The combination with a wheel track; of a housing carrying a bell, a striker for the bell mounted in said housing, a power driven pin wheel in the housing adapted to actuate said striker, a brake for said pin wheel, a treadle normally raised above said track, suit-able connections between said treadle and said brake, said treadle being adapted to be depressed by a passing vehicle wheel, thereby releasing the brake, said brake including a dog extending across the path of the pins of said pin wheel, yieldable means tending to hold the dog in engagement with said pins, said means comprising a rod adapted to slide parallel with said pins and upon which the dog is rigidly mounted, a spring tending to push the rod with the dog into such engagement and said connections including a series of links, hell cranks and suitable bearings therefor.

5. The combination with a wheel track; of a housing carrying a bell, a striker for the bell mounted in said housing, a power driven pin wheel in the housing adapted to actuate said striker, a brake for said pin wheel including a dog adapted to slide in and out of engagement with the pins on said wheel, a treadle normally raised above said track, suitable connections between said treadle and said dog, said treadle being adapted to be depressedby a passing vehicle wheel, thereby releasing the brake, a spring constituting the power source for the pin wheel, a drum. engaging one end of the spring, a shaft upon which the drum is revolubly mounted and to which the other end of the spring is secured, a gear train between said shaft and the pin wheel, a clamping element for said drum,-means actuated by a passing vlehicle wheel for charging the power for the pin wheel; said means including a second treadle normally raised above the track, a pawl, teeth on said drum with which the pawl engages,

and suitable connection between said second treadle and said pawl; said second'treadle being adapted to'be depressed by a passing vehicle wheel, thereby causing the reciprocation of said pawl to advance the drum through the intermediary of said pawl connections.

6. The combination with a wheel track of a housing carrying a bell, a striker for the bell mounted in said housing, a power driven pin wheel in the housing adapted to actuate said striker, a brake for said pin wheel including a dog adapted to slide in and out of engagement with the pins on said wheel, a treadle normally raised above said track, suitable connections between said treadle and said dog, said treadle being adalpted to be depressed by a passing vehicle wheel, thereby releasing the brake, a spring constituting the power source for the pin wheel, a drum engaging one end of the spring, a shaft upon which the drum is revolubly mounted and to which the other end of the spring is secured, a. gear train between said shaft and the pin wheel, a clamping element for said drum, meains actuated by a passing vehicle wheel for charging the power for the pin wheel; said means including a second treadle normally raised above the track, a pawl, teeth on said drum with which the pawl engages,

and suitable connection between said second CARL o. HUTH. [n s.] 

